| 摘要 |
A diagrid for a nuclear reactor core, of the type with two disc-like plates, for a series of parallel chandelles, and a cylindrical shell fitted with heat-exchanging fluid input and output ducts. A forced fit between the edges of said plates (10,11) and said shell (12) consists of a thick welded joint. The upper ends of each of the chandelles (30) protrudes above the upper surface of the upper plate. The two ends of each of the chandelles are welded to the plates.
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